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gr-qc2026
Probing the Circular Unruh Effect with Cavity-Controlled Lamb Shifts
Yan Peng, Jiawei Hu, Hongwei Yu
The Unruh effect predicts that accelerated observers perceive the inertial vacuum as populated by particles, providing a flat-spacetime analogue of Hawking radiation. Its direct ob…
gr-qc2026
Acceleration-induced spectral blind spots in stimulated atomic transitions
Jiawei Hu, Hongwei Yu
Stimulated transitions are among the most fundamental processes in light-matter interaction, underlying resonant absorption and emission in atomic systems. Here we show that unifor…
quant-ph2026
Significant modifications of Lamb shift at small centripetal accelerations
Yan Peng, Jiawei Hu, Hongwei Yu
We investigate the Lamb shift of centripetally accelerated atoms coupled to electromagnetic vacuum fluctuations. Focusing on a very small orbital radius (so that the tangential spe…